Home / 215,706,720.60-323,560,080.90-149,701,748.40

Finding the Fourth Proportional to 215,706,720.60, 323,560,080.90 and 149,701,748.40

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Solution

The fourth proportional to 215,706,720.60, 323,560,080.90 and 149,701,748.40 is: 224,552,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,706,720.60 : 323,560,080.90 = 149,701,748.40 : x
  2. Step 2: Convert to fraction form
    215,706,720.60/323,560,080.90 = 149,701,748.40/x
  3. Step 3: Cross multiply
    215,706,720.60x = 323,560,080.90 × 149,701,748.40
  4. Step 4: Simplify right side
    215,706,720.60x = 48,437,509,823,175,440
  5. Step 5: Solve for x
    x = 48,437,509,823,175,440/215,706,720.60
  6. Step 6: Final answer
    x = 224,552,622.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.